OpenTechnical

OT-2026-000049639

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000049639) never changes.

Identity and time

Publication numberOT-2026-000049639 · never reused
Internal UUID01a0ae81-8fee-7b0f-8c95-774c3799d80d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049639
StatusPUBLIC

Content hashes

Canonical text214b362fda0884804c32110606cb267942f585325668ad551987477acba8d281
Markdown385251135499afeda810253dd5f3f5cc5d598df72a9b4d8cdae338e6652a219b
PDF
Publication pagef2864e446e8ba9eabaa796874294267e5d6564648ec1ff701c7273be5fc49317
Manifestdb5ea8682af0f02dc9001a9791832b6c737156ae8cb327327a2bd2f1191bae6d

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureTSF/+0S2QYTO/ExhLYSu4Qnj/57bDYwP30lPvi0qbHi1jMUJpogzEiiwnBuhBK4YFBdDFK6cOMhhjK3lHH0PBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:02:38.041580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049639
observed f2864e446e8ba9eabaa796874294267e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:38.024370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049639/manifest.json
observed db5ea8682af0f02dc9001a9791832b6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:38.005456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049639/publication.md
observed 385251135499afeda810253dd5f3f5cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:37.986451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049639/publication.txt
observed 214b362fda0884804c32110606cb2679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.